EFK Fire Dragon
FN Five-seveN MRD Barrels
Browse parts and check the source behind each answer.
Manufacturer
FN
Model & version
Five-seveN MRD · MK3 · MRD
Mounting details
FN Low-Profile Optics Mounting System, MIL-STD-1913 Picatinny
Parts listed
2 total
FN Five-seveN MRDBarrels
What the compatibility labels mean
How we knowHow we check compatibility
- Lab testedFit checked by Firearm Lab for the recorded setup.
- Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
- Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.
Check your exact model and part before ordering. Fitment limits
EFK Fire Dragon2
Based on manufacturer information — Aug 2026. FN 5.7 Threaded Barrel M10x1.0 RH with 1/2x28 adapter